Research on metro risk assessment and maintenance management based on big data

The risk management and maintenance management of urban subway is very import, which can reduce or eliminate the adverse influence of risk factors and prolong the structure service. First, the framework of the safety risk assessment and maintenance management is introduced. Secondly, the process of risk assessment management is given according to the different risk characteristics during the construction and operation phases. Finally, according to the metro safety standard, the expert system based on JESS is proposed to automatically provide the best maintenance strategy.